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Particla beta

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A radiació alfa ye composata por un nuclio d'helio y puet estar aturata por una fuella de papel. A radiación beta, formata por electrons, ye aturata por una fuella de papel d'aluminio. A radiación gamma ye absorbita cuan penetra en un material denso.

Una particla beta (β) ye un electrón que sale como resultato d'un succeso radioactivo. Por a lei de Fajans, si un atomo emite una particla beta, a suya carga electrica aumenta en una unidat positiva y o numero de masa no varía. Isto se debe a que o numero de masa u masico nomás representa o numero de protons y neutrons, en iste caso o numero total no cambea, ya que un neutrón "pierde" un electrón, pero se transforma en un protón, ye decir, un neutrón pasa a estar un protón y por tanto o total d'o numero de masa (protons mas neutrons) ye invariable.

Se veiga tamién

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Particla beta.
  • Particla alfa
  • Rayo gamma
  • Radiación
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Particla beta
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